But he adds that while these factors limit downside, they are offset by a valuation nearing 52-week highs, more challenging year-over-year comparisons, and greater relative exposure to discretionary spending.

FORBES: Connect

Those temporary budget savings thus cannot be used to offset spending in other programs (unless hitting the borrowing limit is pushed beyond the budget window).

FORBES: Medicare's Peculiar Budget Rules And The Fight Over Double Counting

"We agree with the FCC that the goal is to keep all customers happy, but we are concerned that prescriptive and costly rules that limit the creative offerings and competitive nature of the industry may threaten to offset these positive trends, " the group said in a statement e-mailed to CNN.

CNN: U.S. aims to regulate mobile 'bill shock'